Cardano Relay Nodes Stopped Working

I have two relay nodes that I use. One is on a VPS and one is on a local external harddrive, thus both are on separate IPv4 and I use 0.0.0.0 during start up anyways. Recently, both were working fine but in the last 24 hours I am receiving the same error from both nodes.

eb 15 21:13:49 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.ErrorPolicy:Notice:374] [2023-02-15 21:13:49.59 UTC] IP 54.254.117.140:3001 ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {seType = SubscriberParallelConnectionCancelled, seMessage = "Parallel connection cancelled", seStack = []}))) 1s
Feb 15 21:13:49 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.ErrorPolicy:Notice:374] [2023-02-15 21:13:49.59 UTC] IP 3.130.47.105:3001 ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {seType = SubscriberParallelConnectionCancelled, seMessage = "Parallel connection cancelled", seStack = []}))) 1s
Feb 15 21:13:56 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.DnsSubscription:Error:1033] [2023-02-15 21:13:56.65 UTC] Domain: "relays-new.cardano-mainnet.iohk.io" Application Exception: 18.133.86.86:3001 HeaderError (At (Block {blockPointSlot = SlotNo 84844885, blockPointHash = 942543dbe4f324d8ac302f3844c1ce331d671b1dadb850990b3a8ffb7292bb0f})) (HeaderEnvelopeError (OtherHeaderEnvelopeError (HardForkEnvelopeErrFromEra S (S (S (S (S (Z (WrapEnvelopeErr {unwrapEnvelopeErr = ObsoleteNode 8 7}))))))))) (Tip (SlotNo 84844799) c001ccbfeaf34e101d63026145db80a6b739bd64ab04378517297e817035c17e (BlockNo 8400207)) (Tip (SlotNo 84929336) 5fe5fbc3a9ccaefa22852c2d5cd05e5a682b4f7775e68f65b3324f7f36c83e57 (BlockNo 8404109))
Feb 15 21:13:56 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.ErrorPolicy:Warning:374] [2023-02-15 21:13:56.65 UTC] IP 18.133.86.86:3001 ErrorPolicySuspendPeer (Just (ApplicationExceptionTrace (HeaderError (At (Block {blockPointSlot = SlotNo 84844885, blockPointHash = 942543dbe4f324d8ac302f3844c1ce331d671b1dadb850990b3a8ffb7292bb0f})) (HeaderEnvelopeError (OtherHeaderEnvelopeError (HardForkEnvelopeErrFromEra S (S (S (S (S (Z (WrapEnvelopeErr {unwrapEnvelopeErr = ObsoleteNode 8 7}))))))))) (Tip (SlotNo 84844799) c001ccbfeaf34e101d63026145db80a6b739bd64ab04378517297e817035c17e (BlockNo 8400207)) (Tip (SlotNo 84929336) 5fe5fbc3a9ccaefa22852c2d5cd05e5a682b4f7775e68f65b3324f7f36c83e57 (BlockNo 8404109))))) 200s 200s
Feb 15 21:13:59 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.DnsSubscription:Notice:1060] [2023-02-15 21:13:59.51 UTC] Domain: "relays-new.cardano-mainnet.iohk.io" Connection Attempt Start, destination 52.14.186.237:3001
Feb 15 21:13:59 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.DnsSubscription:Notice:1061] [2023-02-15 21:13:59.54 UTC] Domain: "relays-new.cardano-mainnet.iohk.io" Connection Attempt Start, destination 18.158.147.46:3001
Feb 15 21:13:59 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.DnsSubscription:Notice:1061] [2023-02-15 21:13:59.55 UTC] Domain: "relays-new.cardano-mainnet.iohk.io" Connection Attempt End, destination 18.158.147.46:3001 outcome: ConnectSuccessLast
Feb 15 21:13:59 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.ErrorPolicy:Notice:374] [2023-02-15 21:13:59.55 UTC] IP 52.14.186.237:3001 ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {seType = SubscriberParallelConnectionCancelled, seMessage = "Parallel connection cancelled", seStack = []}))) 1s
Feb 15 21:13:59 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.DnsSubscription:Error:1031] [2023-02-15 21:13:59.59 UTC] Domain: "relays-new.cardano-mainnet.iohk.io" Application Exception: 3.19.78.159:3001 ExceededTimeLimit (Handshake) (ServerAgency TokConfirm)
Feb 15 21:13:59 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.ErrorPolicy:Notice:374] [2023-02-15 21:13:59.59 UTC] IP 3.19.78.159:3001 ErrorPolicySuspendConsumer (Just (ApplicationExceptionTrace ExceededTimeLimit (Handshake) (ServerAgency TokConfirm))) 20s
Feb 15 21:14:07 vps-a3c9ed7c cardano-node[333471]: [vps-a3c9:cardano.node.DnsSubscription:Error:1061] [2023-02-15 21:14:07.35 UTC] Domain: "relays-new.cardano-mainnet.iohk.io" Application Exception: 18.158.147.46:3001 HeaderError (At (Block {blockPointSlot = SlotNo 84844885, blockPointHash = 942543dbe4f324d8ac302f3844c1ce331d671b1dadb850990b3a8ffb7292bb0f})) (HeaderEnvelopeError (OtherHeaderEnvelopeError (HardForkEnvelopeErrFromEra S (S (S (S (S (Z (WrapEnvelopeErr {unwrapEnvelopeErr = ObsoleteNode 8 7}))))))))) (Tip (SlotNo 84844799) c001ccbfeaf34e101d63026145db80a6b739bd64ab04378517297e81

I have tried to stop and kill the cardano-node, followed by restarting. Any suggestions on what I should do ?

I am currently operating cardano-cli 1.35.3

Since yesterday, you have to use 1.35.4, better still 1.35.5.

Please follow IOG’s announcements on one of their channels – Discord, Twitter, Telegram.

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Thank you!